作者：MAKOTO ISHIKAWA;HIROHIDE OKUNO;
作者單位：Taiko Refractories Co., Ltd
刊名：Journal of the Technical Association of Refractories
ISSN：0285-0028
出版年：2007-01-05
卷：27
期：2
起頁：109
止頁：0
分類號：TQ175
語種：英文
關(guān)鍵詞：
內(nèi)容簡介Specified Chemical Substances as carcinogenic substances which is designated by the "Tokka-soku" or PRTR law, are hexa-valent Chromium compounds, Nickel oxide and asbestos in refractory. Although asbestos is abolished, trivalent chromium with the possibility of changing to hexa-valent and nickel oxide are used or studied. We confirmed the possibility of the hexa-valent chromium ion not only after heat treatment but also in the kneading process.
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